UV

UV Index Today

UV Index TodayTennesseeJohnson County

Mountain City

Current UV Index

6.5

High

High risk - Protection needed

Protection Advice

Apply SPF 30+ sunscreen every 2 hours

Wear a wide-brim hat

Use sunglasses

Seek shade during midday hours

24 Hourly Forecast

Sep 10, 2025 19:00
6.5
High
Sep 10, 2025 20:00
5.5
Extreme
Sep 10, 2025 21:00
4.0
Moderate
Sep 10, 2025 22:00
2.4
Extreme
Sep 10, 2025 23:00
0.9
Low
Sep 11, 2025 00:00
0.1
Low
Sep 11, 2025 01:00
0.0
Low
Sep 11, 2025 02:00
0.0
Low
Sep 11, 2025 03:00
0.0
Low
Sep 11, 2025 04:00
0.0
Low
Sep 11, 2025 05:00
0.0
Low
Sep 11, 2025 06:00
0.0
Low
Sep 11, 2025 07:00
0.0
Low
Sep 11, 2025 08:00
0.0
Low
Sep 11, 2025 09:00
0.0
Low
Sep 11, 2025 10:00
0.0
Low
Sep 11, 2025 11:00
0.0
Low
Sep 11, 2025 12:00
0.2
Low
Sep 11, 2025 13:00
1.1
Low
Sep 11, 2025 14:00
2.6
Extreme
Sep 11, 2025 15:00
4.3
Moderate
Sep 11, 2025 16:00
5.7
Extreme
Sep 11, 2025 17:00
6.5
High
Sep 11, 2025 18:00
6.8
High